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    <h1>500</h1>
    <p>TypeError: res.sed is not a function
        at C:\Users\Administrator\Desktop\软件学院20220411\day13express中间件\代码\01错误中间件\3.逻辑业务错误.js:13:9
        at Layer.handle [as handle_request] (C:\Users\Administrator\Desktop\软件学院20220411\day13express中间件\代码\node_modules\express\lib\router\layer.js:95:5)
        at next (C:\Users\Administrator\Desktop\软件学院20220411\day13express中间件\代码\node_modules\express\lib\router\route.js:144:13)
        at Route.dispatch (C:\Users\Administrator\Desktop\软件学院20220411\day13express中间件\代码\node_modules\express\lib\router\route.js:114:3)
        at Layer.handle [as handle_request] (C:\Users\Administrator\Desktop\软件学院20220411\day13express中间件\代码\node_modules\express\lib\router\layer.js:95:5)
        at C:\Users\Administrator\Desktop\软件学院20220411\day13express中间件\代码\node_modules\express\lib\router\index.js:284:15
        at Function.process_params (C:\Users\Administrator\Desktop\软件学院20220411\day13express中间件\代码\node_modules\express\lib\router\index.js:346:12)
        at next (C:\Users\Administrator\Desktop\软件学院20220411\day13express中间件\代码\node_modules\express\lib\router\index.js:280:10)
        at expressInit (C:\Users\Administrator\Desktop\软件学院20220411\day13express中间件\代码\node_modules\express\lib\middleware\init.js:40:5)
        at Layer.handle [as handle_request] (C:\Users\Administrator\Desktop\软件学院20220411\day13express中间件\代码\node_modules\express\lib\router\layer.js:95:5)</p>
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